Properties

Label 2-22218-1.1-c1-0-20
Degree $2$
Conductor $22218$
Sign $1$
Analytic cond. $177.411$
Root an. cond. $13.3195$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s − 3-s + 4-s + 2·5-s − 6-s + 7-s + 8-s + 9-s + 2·10-s + 4·11-s − 12-s + 6·13-s + 14-s − 2·15-s + 16-s − 2·17-s + 18-s + 4·19-s + 2·20-s − 21-s + 4·22-s − 24-s − 25-s + 6·26-s − 27-s + 28-s − 2·29-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.577·3-s + 1/2·4-s + 0.894·5-s − 0.408·6-s + 0.377·7-s + 0.353·8-s + 1/3·9-s + 0.632·10-s + 1.20·11-s − 0.288·12-s + 1.66·13-s + 0.267·14-s − 0.516·15-s + 1/4·16-s − 0.485·17-s + 0.235·18-s + 0.917·19-s + 0.447·20-s − 0.218·21-s + 0.852·22-s − 0.204·24-s − 1/5·25-s + 1.17·26-s − 0.192·27-s + 0.188·28-s − 0.371·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 22218 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 22218 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(22218\)    =    \(2 \cdot 3 \cdot 7 \cdot 23^{2}\)
Sign: $1$
Analytic conductor: \(177.411\)
Root analytic conductor: \(13.3195\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 22218,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(5.261191561\)
\(L(\frac12)\) \(\approx\) \(5.261191561\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
3 \( 1 + T \)
7 \( 1 - T \)
23 \( 1 \)
good5 \( 1 - 2 T + p T^{2} \)
11 \( 1 - 4 T + p T^{2} \)
13 \( 1 - 6 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 - 10 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 - 4 T + p T^{2} \)
61 \( 1 + 6 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 - 10 T + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 - 14 T + p T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−15.45153405687664, −15.00764210685304, −14.13628135697101, −14.00465663803868, −13.33450710105923, −13.00628371150186, −12.23267727478700, −11.58789344356589, −11.32395245887194, −10.78383038793804, −10.11751421013583, −9.354315112498741, −9.086460685820588, −8.161498223162854, −7.569253591723007, −6.605178876037725, −6.383642334921889, −5.813395405074304, −5.283244446734589, −4.500894003428410, −3.892934852573126, −3.306732262096598, −2.236628178172096, −1.508666306115535, −0.9578244148465305, 0.9578244148465305, 1.508666306115535, 2.236628178172096, 3.306732262096598, 3.892934852573126, 4.500894003428410, 5.283244446734589, 5.813395405074304, 6.383642334921889, 6.605178876037725, 7.569253591723007, 8.161498223162854, 9.086460685820588, 9.354315112498741, 10.11751421013583, 10.78383038793804, 11.32395245887194, 11.58789344356589, 12.23267727478700, 13.00628371150186, 13.33450710105923, 14.00465663803868, 14.13628135697101, 15.00764210685304, 15.45153405687664

Graph of the $Z$-function along the critical line